Prince Sumyeong () was a Korean Royal Prince as the only son of
Taejo of Goryeo
Taejo (; 31 January 877 – 4 July 943), personal name Wang Kŏn (), also known as Taejo Wang Kŏn (), was the founder of the Goryeo Dynasty of Korea. He ruled from 918 to 943, achieving unification of the Later Three Kingdoms in 936.
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and
Grand Lady Heonmok. From all of his father's wives, just his mother whom held the highest title around the consorts but still below the queens. Although his wife was unknown, but they had a son, Wang Gyu, Prince Hongdeok ().
References
Korean princes
Year of birth unknown
Year of death unknown
10th-century Korean people
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